Home / 636,565.30-954,966.02-210,130.83

Finding the Fourth Proportional to 636,565.30, 954,966.02 and 210,130.83

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Solution

The fourth proportional to 636,565.30, 954,966.02 and 210,130.83 is: 315,235.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,565.30 : 954,966.02 = 210,130.83 : x
  2. Step 2: Convert to fraction form
    636,565.30/954,966.02 = 210,130.83/x
  3. Step 3: Cross multiply
    636,565.30x = 954,966.02 × 210,130.83
  4. Step 4: Simplify right side
    636,565.30x = 200,667,802,404.40
  5. Step 5: Solve for x
    x = 200,667,802,404.40/636,565.30
  6. Step 6: Final answer
    x = 315,235.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.